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Grumiplucite

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Levigliani mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
© Thomas Witzke

Show Grumiplucite Photos (19)
Formula:
HgBi
 
2
S
 
4
System:MonoclinicColour:grey-black
Lustre:Metallic
Name:Named after the amateur mineralogical organization Gruppo Mineralogico e Paleontologico Lucchese, members of which provided the specimens for study.
This page provides mineralogical data about Grumiplucite.

Classification of Grumiplucite

IMA status:Approved 1997
Strunz 8th edition ID:2/E.13-20
Nickel-Strunz 10th (pending) edition ID:2.JA.05b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
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Type Occurrence of Grumiplucite

Type Locality:Levigliani mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
General Appearance of Type Material:Very slender grey-black prismatic crystals, with a metallic luster and almost micaceous (001) cleavage. Crystals are elongated according to [010] and are twinned on (001).
Place of Conservation of Type Material:Museo di Storia Naturale e del Territorio, Pisa University (n° 4262).
Year of Discovery:1998
Geological Setting of type material:Quartz veins in a small mercury deposit hosted within phyllitic and metavolcanic rocks of Middle to Upper Ordovician, intensely deformed and metamorphosed to the greenschist facies.
Associated Minerals at type locality:
SphaleriteMercuryCinnabar

Physical Properties of Grumiplucite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:grey-black
Cleavage:Perfect
Almost micaceous (001)
Density (calculated):7.02 g/cm3

Crystallography of Grumiplucite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 14.164Å, b = 4.053Å, c = 13.967Å
β = 118.28°
Ratio:a:b:c = 3.495 : 1 : 3.446
Unit Cell Volume:V 706.1 ų
Z:2

Optical Data of Grumiplucite

Type:Anisotropic
Anisotropism:distincly
Bireflectance:low
Colour in reflected light:creamy white

Chemical Properties of Grumiplucite

Formula:
HgBi
 
2
S
 
4
Essential elements:Bi, Hg, S
All elements listed in formula:Bi, Hg, S
Analytical Data:
Hg (25.4)
Bi (57.6)
S (17.4)

Total (100.4)
Empirical Formula:
Hg
 
0.94
Bi
 
2.04
S
 
4

Relationship of Grumiplucite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.JA.05eBenjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
2.JA.05gBorodaevite
Ag
 
5
(Bi,Pb,Fe)
 
8
(Sb,Bi)
 
2
S
 
17
2.JA.05aCupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
2.JA.05aKitaibelite
Ag
 
10
PbBi
 
30
S
 
51
2.JA.05iLivingstonite
HgSb
 
4
S
 
8
2.JA.05dMakovickyite
Ag
 
1.5
Bi
 
5.5
S
 
9
2.JA.05fMummeite
Ag
 
2
CuPbBi
 
6
S
 
13
2.JA.05aPavonite
(Ag,Cu)(Bi,Pb)
 
3
S
 
5
2.JA.05hMozgovaite
PbBi
 
4
(S,Se)
 
7
2.JA.05dCupromakovickyite
Cu
 
8
Pb
 
4
Ag
 
2
Bi
 
18
S
 
36
2.JA.05cKudriavite
(Cd,Pb)Bi
 
2
S
 
4
2.JA.05aIMA2005-036
Ag
 
3
Cu
 
8
Pb
 
4
Bi
 
19
S
 
38
2.JA.05IMA2008-058
Ag
 
5
Bi
 
13
S
 
22
2.JA.10aCuprobismutite
Cu
 
10
Bi
 
12
S
 
23
2.JA.10cHodrušite
Cu
 
8
Bi
 
12
S
 
22
2.JA.10ePadĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
2.JA.10dPizgrischite
Cu
 
17
Bi
 
17
S
 
35
2.JA.10bKupčíkite
(Cu,Fe)
 
4
Bi
 
5
S
 
10
2.JA.15Schapbachite
AgBiS
 
2
2.JA.15Cuboargyrite
AgSbS
 
2
2.JA.20Bohdanowiczite
AgBiSe
 
2
2.JA.20Matildite
AgBiS
 
2
2.JA.20Volynskite
AgBiTe
 
2

Other Names for Grumiplucite

Synonyms:
IMA1997-021
Other Languages:
German:Grumiplucit
Spanish:Grumiplucita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Grumiplucite

Reference List:Orlandi P., Dini A., Olmi F., 1998. Grumiplucite, a new mercury-bismuth sulfosalt species from the Levigliani mine, Apuan Alps, Tuscany, Italy. Canadian Mineralogist: 36: 1321-1326.

Internet Links for Grumiplucite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Grumiplucite in the Natural History Museum (London) online catalogue
  • Grumiplucite details from Handbook of Mineralogy (PDF)
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    Localities for Grumiplucite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Italy
     
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Stazzema
    		Orlandi P., Dini A. , Olmi F., 1998. Grumiplucite, a new mercury-bismuth sulfosalt species from the Levigliani mine, Apuan Alps, Tuscany, Italy. Canad. Miner., 36: 1321-1326.
    Mineral and/or Locality
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